| THE Research Council for Complementary Medicine | Health & social care | 2011 |
| THE Roundwood Timber Framing Co Ltd | Construction | 2018 |
| THE Secret Still Limited | Hospitality | 2025 |
| THE Silk Road (UK) Limited | Extraterritorial | 2011 |
| THE Small World Agency Ltd | Information & communication | 2022 |
| THE Social Story Ltd | Professional & scientific | 2015 |
| THE Stanley Group Limited | Manufacturing | 1988 |
| THE Stencil House Limited | Wholesale & retail | 2013 |
| THE Stove House Ltd | Other services | 2013 |
| THE Upholsterer Midhurst Limited | Other services | 2015 |
| THE White Linen Company Ltd | Other services | 2015 |
| Theplanetparty Ltd | Information & communication | 2024 |
| This Floral Life Ltd | Wholesale & retail | 2015 |
| Thriveffect Ltd | Professional & scientific | 2024 |
| Thromboserin Limited | Professional & scientific | 2007 |
| Time for Africa Limited | Administrative & support | 2012 |
| Tixserve (UK) Limited | Information & communication | 2021 |
| TJ Commercial Consulting Services Ltd | Professional & scientific | 2024 |
| Tobit Computer Company Limited | Information & communication | 1979 |
| Totem Polo Ltd | Agriculture & fishing | 2022 |
| Touchpaper Management Limited | Professional & scientific | 2006 |
| Toute Seule Limited | Professional & scientific | 1995 |
| Trad Roofing Limited | Construction | 2015 |
| Travel Bespoke Ltd | Administrative & support | 2011 |
| Treadwell Investments Limited | Information & communication | 2017 |
| Treetops Aircraft LLP | | 2012 |
| Treydling Farms Ltd | Agriculture & fishing | 2018 |
| Tutorone Ltd | Administrative & support | 2017 |
| TWINE79 Limited | Information & communication | 2020 |
| Ukrainian Voices United CIC | Education | 2025 |
| Upperfield Road Ltd | Households | 2026 |
| Upwaltham Barns (Lettings) Limited | Real estate | 2017 |
| V K & SON Ltd | Other services | 2019 |
| Valentine Hollingworth LLP | | 2022 |
| Van Glue Beauty Limited | Other services | 2026 |
| Vandings Way House | Information & communication | 2015 |
| Vass & Vass Ltd | Administrative & support | 2018 |
| Veedon Fleece Limited | Wholesale & retail | 1993 |
| Verdex Group Limited | Financial services | 2025 |
| Vinosity Limited | Extraterritorial | 2003 |
| Wall-Tech Insulation Limited | Wholesale & retail | 1983 |
| Wayne Parker Design Limited | Professional & scientific | 2019 |
| Wbes Electrical Limited | Construction | 2014 |
| WE Make Pictures Ltd | Information & communication | 2017 |
| Webb Valuations Fine Art Limited | Administrative & support | 2003 |
| Whalebone Ltd | Real estate | 2023 |
| White Rose Beauty and Aesthetics Limited | Other services | 2023 |
| White Rose Training Academy Limited | Education | 2021 |
| Wigwam Marquees Limited | Administrative & support | 2006 |
| Willicombe Limited | Real estate | 2010 |
| Windle Ferrier Land and Property Consultants Limited | Professional & scientific | 2020 |
| Wonder House Bugle Ltd | Other services | 2022 |
| Wonder House Dunford Ltd | Other services | 2022 |
| Wonder House Group Ltd | Other services | 2019 |
| Wood-Be Ltd | Agriculture & fishing | 2014 |
| Woodcraft School Ltd | Education | 2003 |
| Wooden Showcase Ltd | Manufacturing | 2022 |
| Woodhouse Construction Sussex Ltd | Construction | 2022 |
| Workshop 52 Ltd | Wholesale & retail | 2026 |
| Wphc Ltd | Real estate | 2026 |
| Xenogenix EOT Limited | Administrative & support | 2023 |
| Xenogenix Ltd | Professional & scientific | 2002 |
| York Street Recruitment Limited | Administrative & support | 2023 |
| Zacarak Ltd | Real estate | 2025 |
| Zoomadog Europe Limited | Wholesale & retail | 2021 |